Discusses how to construct mathematical models of populations, the changing proportions of individuals of various ages, birthrate, the ecological niche, and population interaction in this technical introduction to population ecology Author: Hutchinson, G. Evelyn Publisher: Yale University Press Bind..
Little America: Aerial Exploration in the Antarctic, The Flight to the South Pole Richard E. Byrd. 1930, First edition. 9.25 x 6.5, 422pp. Frontpiece of Perry, and illustrated with 70 black-and-white photographs, four maps, two of which are fold-outs. Endpaper photograph. Author: Byrd, Richard Evely..